Career
He was in charge of silver mines at Sagami after 1601, at Sado after 1603 and at Izu after 1606. He expanded production at each mine. After his death, evidence of misconduct was foundation
大久保 長安
He was in charge of silver mines at Sagami after 1601, at Sado after 1603 and at Izu after 1606. He expanded production at each mine. After his death, evidence of misconduct was foundation